Databases are the most common storage space that organizations and individuals use to store their business data and use it for further research and Analytics. Organizations know the value of data and it is essential to keep the data safe by creating regular backups so that the data can be restored at times of system failure or data loss from the primary Database.
PostgreSQL is a widely used Database Management System for storing structured as well as unstructured data. Companies use it because it offers them to store flexible data with ease. PostgreSQL offers pgAdmin Backup Database services that allow companies to maintain a backup of their data and avoid any data loss in the future.
pgAdmin Backup Database makes it easier for users to easily maintain the backup and restore functionalities in PostgreSQL. In this article, you will learn how to install PostgreSQL using pgAdmin, how to backup PostgreSQL database using pgAdmin 4, and how to implement pgAdmin Restore Database of PostgreSQL.
What is PostgreSQL?
PostgreSQL, pronounced “Post-GRES,” is an open-source database with a high reputation for dependability, flexibility, and open technical standards support. For flexibility and SQL compliance, unlike most other RDMBS (Relational Database Management Systems), PostgreSQL supports both SQL and JSON for relational and non-relational queries. As a result, it is among the most compliant, stable, and mature relational databases currently accessible. PostgreSQL is a “one-size-fits-all” solution for many businesses searching for cost-effective and efficient solutions that improve their database management systems due to its adaptable and approachable design.
Many web apps, along with mobile and analytics applications, use PostgreSQL as their primary database. PostgreSQL is a relational database system that is advanced, enterprise-class, and open-source. PostgreSQL. PostgreSQL is an extremely reliable database that has been developed by the open-source community for over 20 years. Many companies like Apple, Fujitsu, Red Hat, Cisco, Juniper Network, and Instagram have created PostgreSQL-based products and solutions.
PostgreSQL is a Relational Database Management System that organizes data into rows, with columns representing various data properties. A table is a collection of connected rows. The most frequent database type is the relational database. It distinguishes itself by emphasizing integrations and extensibility. It is extendable since it interacts with a variety of other technologies and adheres to numerous database standards.
Key Features of PostgreSQL
When adopting PostgreSQL in enterprise database deployments, developers gain a variety of advantages. PostgreSQL has a wealth of capabilities and extensions that allow you to develop extremely scalable and easy-to-manage databases while maintaining flawless replication and concurrency among multiple computer environments. A few key features are listed below.
- Recovery from a Single Point in Time: When performing data recovery initiatives, PostgreSQL allows developers to use PITR (Point-In-Time Recovery) for the restoration of databases to a fixed moment in time.
- Reliable: PostgreSQL supports write-ahead logging, synchronous, asynchronous, and logical replication to avoid data loss during a disaster.
- Procedures Kept on File: Developers can design new subroutines called stored procedures using PostgreSQL’s built-in support for numerous procedural languages. Procedural languages can be used to develop in a variety of other programming languages, including Perl, Python, JavaScript, and Ruby, thanks to extensions.
To know more about PostgreSQL, click here.
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Steps to Install PostgreSQL
In this section, you will learn how to install PostgreSQL and set up the server to start working with the Database and query data using pgAdmin. The following to install PostgreSQL are listed below.
Step 1: Open the pgAdmin Program
We’ll start by launching the pgAdmin application. To do so, type pgAdmin into our system’s search box. The pgAdmin application will run in the web browser after you click on it, as shown in the figure.
Step 2: Set Up a Server
Then, as seen in the figure below, right-click on the Servers node and pick the Build Server menu to create a server:
Image Source: Self
Step 3: Give the Server’s Name.
After clicking the Server option, the Create-Server window will appear, prompting us to type the server name in the Name field, such as PostgreSQL001, as seen below:
Image Source: Self
Step 4: Give the Hostname and Password
We’ll input the credentials of the host and password for the Postgres user after clicking the Connection tab, and then click the Save button. You can expand the server by clicking on the Servers node.
Image Source: Self
Step 5: Activate the Query Tool
Now, we’ll use the query tool by clicking Tool Query Tool from the menu bar, or by clicking the query tool icon next to Browser, as seen in the image below.
Step 6: In the Query Editor, Type the Command
After successfully opening the query tool, we’ll type the following command into the Query Editor and press the Execute button.
Select Version();
Select Version();: This command retrieves the version of PostgreSQL currently running.- It displays details like the PostgreSQL version number and build information.
- Useful for confirming the database version before performing tasks like backups or upgrades in pgAdmin.
And, after running the aforesaid command, we’ll see the Data output of the Provided command, which shows all of the details about the PostgreSQL version currently in use, as shown in the image below:
Image Source: Self
After learning how to backup and restore PostgreSQL Database Server using pgAdmin 4, we’ll learn how to connect to a PostgreSQL Database Server using SQL Shell (psql).
Step 7: Connecting Database with pgAdmin
- Using pgAdmin, connect to your RDS for the PostgreSQL DB instance.
- On your client system, launch the pgAdmin application.
- Select Add New Server from the Dashboard menu.
- On the General tab of the Create-Server dialogue box, type a name for the server in pgAdmin.
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- Fill in the following details from your database instance on the Connection tab:
- Fill in the Host field.
- Type the specified port in the Port field.
- If you changed the master username’ from the default, Postgres, type the user name you supplied when you established the DB instance in Username.
- In the Password field, type the password you used to create the DB instance.
- Then select the Save button.
- If you’re having trouble connecting to your RDS for the PostgreSQL instance, read Troubleshooting connections to your RDS for the PostgreSQL instance.
- Expand Servers, the DB instance, and Databases in the pgAdmin browser to access a database. Select the database name for the DB instance.
- Select Tools, Query Tool to open a window where you may type SQL commands.
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Steps to pgAdmin Backup Database in PostgreSQL
Database backups are necessary to ensure that your data is always safe and secure. Backups aid in the recovery of computer devices in the event of a disaster, as well as the recovery of data after files, have been damaged or deleted.
Database backups are critical for avoiding data loss, which can entirely shut down a company’s activities. Backup Postgres Database pgAdmin makes it easier for companies to manage their data backup in PostgreSQL. The following steps to perform the pgAdmin Backup Database are listed below.
- Locate the database that needs to be backed up (to create a backup). You must choose ‘make backup‘ from the context menu.
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- Specify a backup folder here for pgAdmin Backup Database. As the format, choose “Catalog“.
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- Remove the extension from the file name to create a catalog. Another key element to remember is that the catalog should not end with a “,” for the pgAdmin Backup Database file name as shown in the image below.
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- No other selections are required. Wait after clicking the “Backup” button. It may appear like pgAdmin has hung up while creating a backup, but this is not the case. Because the pgAdmin Backup Database with collected data is typically fairly large, the backup process usually takes a few hours.
- It all relies on the size of the database and the computer’s specifications. The message “Process returned exit code 0” will appear if the pgAdmin Backup Database was successful.
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- This is how the catalog looks with the pgAdmin Backup Database.
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Steps to Restore Database Using pgAdmin
pgAdmin restore is a utility that allows you to restore a PostgreSQL database from a non-plain-text archive produced by pg dump. It will execute the procedures required to restore the database to the format it was in when it was stored. pgAdmin is a handy and user-friendly tool with a graphical interface.
So, the pgAdmin Backup Database tool makes the restoring task easy for all kinds of users. Let’s look at how we may use pgAdmin to recover a database from a SQL file today. The following steps to how to restore created pgAdmin Backup Database are listed below.
- First, we make a comprehensive database backup in the form of a SQL file.
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- Next, we establish a new database via the pgAdmin Backup Database and Restore tool to restore the SQL file.
- The newly formed database will now appear in the list. As a result, we right-click the database and choose Restore.
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- A new window appears, with two tabs labeled “General” and “Restore” choices. Click the Restore button after finding suitable options under each tab.
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- A dialogue box appears, informing you of the status of the restore operation. The Process Watcher is launched by clicking the More details tab in the dialogue box.
- It keeps track of all the steps involved in the restoration procedure. Finally, the window displays a message indicating that the operation was successful.
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Conclusion
In this article, you learned about PostgreSQL and how to install PostgreSQL using pgAdmin, and what is pgAdmin Backup Database. You also went through the steps to pgAdmin Backup Database in PostgreSQL and how to restore the data using the pgAdmin Backup Database and Restore tool in PostgreSQL Database.
PostgreSQL stores valuable business data that can be used to generate insights. Companies need to analyze their business data stored in multiple data sources. The data needs to be loaded into the Data Warehouse to get a holistic view of the data. Hevo Data is a No-code Data Pipeline solution that helps to transfer data from 100+ sources to PostgreSQL or the desired Data Warehouse. It fully automates the process of transforming and transferring data to a destination without writing a single line of code. Sign up for Hevo’s 14-day free trial and experience seamless data migration.
FAQs
How to backup PostgreSQL database locally?
To back up a PostgreSQL database locally, you can use the pg_dump utility. This tool allows you to export your database into a backup file. You specify the username, host, and database name, and the tool generates a backup file that you can save on your local machine.
How do I drop a database in PostgreSQL pgAdmin?
To drop a database in PostgreSQL using pgAdmin:
1. Open pgAdmin and connect to your server.
2. In the left pane, right-click on the database you want to drop.
3. Select Delete/Drop from the context menu.
Syeda is a technical content writer with a profound passion for data. She specializes in crafting insightful content on a broad spectrum of subjects, including data analytics, machine learning, artificial intelligence, big data, and business intelligence. Through her work, Syeda aims to simplify complex concepts and trends for data practitioners, making them accessible and engaging for data professionals.
